1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
External(\_SB.PCI0.MEMORY_HOTPLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
Scope(\_SB.PCI0) {
Device(MEMORY_HOTPLUG_DEVICE) {
Name(_HID, "PNP0A06")
Name(_UID, "Memory hotplug resources")
/* Memory hotplug IO registers */
External(MEMORY_SLOT_ADDR_LOW, FieldUnitObj) // read only
External(MEMORY_SLOT_ADDR_HIGH, FieldUnitObj) // read only
External(MEMORY_SLOT_SIZE_LOW, FieldUnitObj) // read only
External(MEMORY_SLOT_SIZE_HIGH, FieldUnitObj) // read only
External(MEMORY_SLOT_PROXIMITY, FieldUnitObj) // read only
External(MEMORY_SLOT_ENABLED, FieldUnitObj) // 1 if enabled, read only
External(MEMORY_SLOT_EJECT, FieldUnitObj) // initiates device eject, write only
External(MEMORY_SLOT_SLECTOR, FieldUnitObj) // DIMM selector, write only
External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only
External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only
External(MEMORY_SLOT_LOCK, MutexObj)
Method(MEMORY_SLOT_STATUS_METHOD, 1) {
Store(Zero, Local0)
Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
If (LEqual(MEMORY_SLOT_ENABLED, One)) {
Store(0xF, Local0)
}
Release(MEMORY_SLOT_LOCK)
Return(Local0)
}
Method(MEMORY_SLOT_CRS_METHOD, 1, Serialized) {
Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
Name(MR64, ResourceTemplate() {
QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x0000000000000000, // Address Space Granularity
0x0000000000000000, // Address Range Minimum
0xFFFFFFFFFFFFFFFE, // Address Range Maximum
0x0000000000000000, // Address Translation Offset
0xFFFFFFFFFFFFFFFF, // Address Length
,, MW64, AddressRangeMemory, TypeStatic)
})
CreateDWordField(MR64, 14, MINL)
CreateDWordField(MR64, 18, MINH)
CreateDWordField(MR64, 38, LENL)
CreateDWordField(MR64, 42, LENH)
CreateDWordField(MR64, 22, MAXL)
CreateDWordField(MR64, 26, MAXH)
Store(MEMORY_SLOT_ADDR_HIGH, MINH)
Store(MEMORY_SLOT_ADDR_LOW, MINL)
Store(MEMORY_SLOT_SIZE_HIGH, LENH)
Store(MEMORY_SLOT_SIZE_LOW, LENL)
// 64-bit math: MAX = MIN + LEN - 1
Add(MINL, LENL, MAXL)
Add(MINH, LENH, MAXH)
If (LLess(MAXL, MINL)) {
Add(MAXH, One, MAXH)
}
If (LLess(MAXL, One)) {
Subtract(MAXH, One, MAXH)
}
Subtract(MAXL, One, MAXL)
If (LEqual(MAXH, Zero)){
Name(MR32, ResourceTemplate() {
DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, // Address Space Granularity
0x00000000, // Address Range Minimum
0xFFFFFFFE, // Address Range Maximum
0x00000000, // Address Translation Offset
0xFFFFFFFF, // Address Length
,, MW32, AddressRangeMemory, TypeStatic)
})
CreateDWordField(MR32, MW32._MIN, MIN)
CreateDWordField(MR32, MW32._MAX, MAX)
CreateDWordField(MR32, MW32._LEN, LEN)
Store(MINL, MIN)
Store(MAXL, MAX)
Store(LENL, LEN)
Release(MEMORY_SLOT_LOCK)
Return(MR32)
}
Release(MEMORY_SLOT_LOCK)
Return(MR64)
}
Method(MEMORY_SLOT_PROXIMITY_METHOD, 1) {
Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
Store(MEMORY_SLOT_PROXIMITY, Local0)
Release(MEMORY_SLOT_LOCK)
Return(Local0)
}
Method(MEMORY_SLOT_OST_METHOD, 4) {
Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
Store(Arg1, MEMORY_SLOT_OST_EVENT)
Store(Arg2, MEMORY_SLOT_OST_STATUS)
Release(MEMORY_SLOT_LOCK)
}
Method(MEMORY_SLOT_EJECT_METHOD, 2) {
Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
Store(1, MEMORY_SLOT_EJECT)
Release(MEMORY_SLOT_LOCK)
}
} // Device()
} // Scope()
|
